Image forming apparatus including process cartridge having elast

Details Image forming apparatus including process cartridge having elast Image forming apparatus including process cartridge having elast

1995-06-20

1998-04-14

Braun, Fred L.

Electrophotography

Internal machine environment

Particle or contaminant control

399102, 399106, G03G 1508, G03G 2100

Patent

active

057404992

ABSTRACT:
The present invention relates to a process cartridge detachably mountable to a main body of an image forming apparatus, and which has an electrophotographic photosensitive member, a process device actable on the electrophotographic photosensitive member, a first frame, a second frame and an elastic sealing member interposed between the first and second frames in order to prevent leakage of a toner from a space therebetween when the first and second frames are bonded by engagement between engagement portions, wherein the compression amount of the elastic sealing member interposed between both frames is increased away from the engagement portions.

REFERENCES:
patent: 5208634 (1993-05-01), Ikemoto et al.
patent: 5331372 (1994-07-01), Tsuda et al.
patent: 5404198 (1995-04-01), Noda et al.
patent: 5485249 (1996-01-01), Higeto et al.
patent: 5561504 (1996-10-01), Watanabe et al.

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